안녕하세요, 강의 영상대로 그대로 따라했는데 왜 에러가 나오는지 모르겠습니다.

->

import requests

from bs4 import BeautifulSoup

headers = {'User-Agent' : 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36'}

data = requests.get('https://movie.naver.com/movie/sdb/rank/rmovie.naver?sel=pnt&date=20210829',headers=headers)

soup = BeautifulSoup(data.text, 'html.parser')

#old_content > table > tbody > tr:nth-child(2) > td.title > div > a

#old_content > table > tbody > tr:nth-child(4) > td.title > div > a

movies = soup.select('#old_content > table > tbody > tr')

for movie in movies:

a = movie.select_one('td.title > div > a')

  if a != None:

    print(a)